EP0647433B1 - Endoscopic surgical instrument with rotatable inner shaft - Google Patents

Endoscopic surgical instrument with rotatable inner shaft Download PDF

Info

Publication number
EP0647433B1
EP0647433B1 EP94114922A EP94114922A EP0647433B1 EP 0647433 B1 EP0647433 B1 EP 0647433B1 EP 94114922 A EP94114922 A EP 94114922A EP 94114922 A EP94114922 A EP 94114922A EP 0647433 B1 EP0647433 B1 EP 0647433B1
Authority
EP
European Patent Office
Prior art keywords
surgical instrument
inner shaft
shaft
endoscopic surgical
handle assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94114922A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0647433A1 (en
Inventor
Stanley M. Hurd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of EP0647433A1 publication Critical patent/EP0647433A1/en
Application granted granted Critical
Publication of EP0647433B1 publication Critical patent/EP0647433B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
    • A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2933—Transmission of forces to jaw members camming or guiding means
    • A61B2017/2936—Pins in guiding slots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2939—Details of linkages or pivot points
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2946—Locking means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2948—Sealing means, e.g. for sealing the interior from fluid entry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0813—Accessories designed for easy sterilising, i.e. re-usable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/70—Cleaning devices specially adapted for surgical instruments

Definitions

  • the burgeoning field of endoscopic surgery utilizes surgical instruments with slender barrel portions for entering cannulas placed in small incisions or wounds in the patient's body.
  • the advantages of Endoscopic surgery over conventional open procedure surgery are due in large part to elimination of the need to make large incisions in the patient, and include reduced patient trauma, quicker recovery time and a significantly lower chance of infection.
  • a locking mechanism is provided to lock the handle assembly in the actuated position.
  • the slide control mechanism 74 can be freely manipulated to orient the jaws.
  • the surgical instrument is designed to restrain or inhibit rotation of the barrel cam, and thus the jaws, when the handle assembly is fully actuated and gripping tissue.
  • the state of being fully actuated is achieved when the jaws are completely closed or closed around the object to be gripped to the point where the jaws cannot be further closed.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Ophthalmology & Optometry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Surgical Instruments (AREA)
  • Endoscopes (AREA)
EP94114922A 1993-10-06 1994-09-22 Endoscopic surgical instrument with rotatable inner shaft Expired - Lifetime EP0647433B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/132,724 US5472439A (en) 1993-10-06 1993-10-06 Endoscopic surgical instrument with rotatable inner shaft
US132724 1993-10-06

Publications (2)

Publication Number Publication Date
EP0647433A1 EP0647433A1 (en) 1995-04-12
EP0647433B1 true EP0647433B1 (en) 1999-08-11

Family

ID=22455313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114922A Expired - Lifetime EP0647433B1 (en) 1993-10-06 1994-09-22 Endoscopic surgical instrument with rotatable inner shaft

Country Status (9)

Country Link
US (1) US5472439A (enExample)
EP (1) EP0647433B1 (enExample)
JP (1) JP3626777B2 (enExample)
KR (1) KR950010857A (enExample)
AT (1) ATE183064T1 (enExample)
CA (1) CA2133627C (enExample)
DE (1) DE69419996T2 (enExample)
TW (1) TW319686B (enExample)
ZA (1) ZA947793B (enExample)

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EP3068354B1 (en) 2013-11-14 2023-06-28 Aquesys, Inc. Intraocular shunt inserter
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Also Published As

Publication number Publication date
US5472439A (en) 1995-12-05
CA2133627C (en) 2005-03-29
JP3626777B2 (ja) 2005-03-09
DE69419996T2 (de) 2000-02-24
JPH07204206A (ja) 1995-08-08
CA2133627A1 (en) 1995-04-07
KR950010857A (ko) 1995-05-15
DE69419996D1 (de) 1999-09-16
TW319686B (enExample) 1997-11-11
EP0647433A1 (en) 1995-04-12
ATE183064T1 (de) 1999-08-15
ZA947793B (en) 1995-05-18

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